Document jyEr7Ry4JaknQ8gaXOgq8E5pk

iEQISTERED PROFESSIONAL ENGINEER Me l v in w . Fir s t , Be. D. CONSULTING AND RESEARCH ENGINEER 295 Up l a n d a v e n u e Ne w t o n Hig h l a n d s , Ma s s a c h u s e t t s D2161 (617) 332-3377 25 Jrjne 1963 Dr. Robert A, Kehoe Professor emeritus of Occupational Medicine University of Cincinnati Kettering Laboratory Eden and Bethesda Avenues Cincinnati, Ohio leer Dr. Kehoe Thank you for your kind and. informative letter relative to the current situation in "C" Building cf Ethyl Corporation's Baton Rouge Plant, i was pleased to learn that they are continuing with the alterations to the ventilation system as I hadn't heard from them for several months and was curious about their progress. I quite agree that Park and Jones are' very competent and well motivated toward the objectives which we hold in common. Me have high hones that the engineering modifications now underway will produce significant lowering of the lead content of Building "C" air. It would be of interest to obtain personal samples, as well as area samples, before and after, to evaluate exposures and improvements more precisely. . "Best 'wishes, Melvin VI. First gg 0015318